1 - Tupperware Silicone Baking Sheet with Rim Measures Approx: 14" x 12" 2 - Tupperware Silicone Forms 6 Cupcake & Muffin Baking Pan Made from Tupperware premium quality silicone, a wondrous non-stick material safe for the fridge, freezer, microwave and oven that makes it easy to unmold all your delicious creations. The silicone baking forms withstand temperatures from – 25°C up to 220°C. Flexible, unbreakable and will not deform. Dishwasher Safe! Used a couple of times. Given to me as a gift but I haven't used them often and want someone else to be able to enjoy!